#!/usr/bin/env bun
/**
* Checks if dist/ is stale (older than src/).
*
* Prevents testing against outdated compiled code. Run automatically before tests.
*
* Run: bun run scripts/check-stale-build.ts
*/
import { statSync, existsSync, readdirSync } from "fs";
import { resolve, dirname, join } from "path";
import { fileURLToPath } from "url";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const projectRoot = resolve(__dirname, "..");
const srcDir = join(projectRoot, "src");
const distDir = join(projectRoot, "dist");
// Check if dist/ exists
if (!existsSync(distDir)) {
console.error("❌ dist/ directory does not exist. Run 'npm run build' first.");
process.exit(1);
}
// Get the most recent modification time in src/
function getNewestMtime(dir: string): number {
let newest = 0;
function walk(d: string) {
for (const entry of readdirSync(d, { withFileTypes: true })) {
const fullPath = join(d, entry.name);
if (entry.isDirectory()) {
if (entry.name !== "node_modules" && entry.name !== "__tests__") {
walk(fullPath);
}
} else if (entry.name.endsWith(".ts") && !entry.name.endsWith(".test.ts")) {
const mtime = statSync(fullPath).mtimeMs;
if (mtime > newest) newest = mtime;
}
}
}
walk(dir);
return newest;
}
// Get the newest modification time in dist/ (excluding tests)
function getDistNewestMtime(dir: string): number {
let newest = 0;
function walk(d: string) {
for (const entry of readdirSync(d, { withFileTypes: true })) {
const fullPath = join(d, entry.name);
if (entry.isDirectory()) {
if (entry.name !== "__tests__") {
walk(fullPath);
}
} else if (entry.name.endsWith(".js")) {
const mtime = statSync(fullPath).mtimeMs;
if (mtime > newest) newest = mtime;
}
}
}
walk(dir);
return newest;
}
const srcNewest = getNewestMtime(srcDir);
const distNewest = getDistNewestMtime(distDir);
// If the newest src file is newer than the newest dist file, build is stale
if (srcNewest > distNewest) {
const srcDate = new Date(srcNewest).toLocaleString();
const distDate = new Date(distNewest).toLocaleString();
console.error("❌ dist/ is stale! Source files are newer than compiled output.");
console.error(` Newest src/ file: ${srcDate}`);
console.error(` Newest dist/ file: ${distDate}`);
console.error("\n Run 'npm run build' to rebuild.");
process.exit(1);
}
console.log("✅ dist/ is up to date");
